Suppression Forecast
Issued by NWS Portland, OR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8
315
FNUS76 KPQR 192034
FWSPQR

Spot Forecast for Incident 250206, McKenzie River Warehouse Fire...USDA-USFS
National Weather Service Portland OR
134 PM PDT Sat Jul 19 2025

Forecast is based on forecast start time of 0700 PDT on July 20.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Onshore flow will lead to fairly typical terrain driven winds
Sunday and Monday. This means that winds will be predominantly out of the
west or upvalley from approximately 9-10am until 8-10pm each day. Winds
will then become drainage or downvalley and come out the east overnight.


.SUNDAY...

Sky/weather.........Partly cloudy.
Chance of pcpn......0 percent.
Chance of lightning.2 percent.
Max temperature.....77-79.
Min humidity........35-45 percent.
Dewpoint............51.
Surface winds.......Light drainage winds becoming west 6 to 8 mph late in
                    the morning.
Mixing height.......4900 ft AGL.
Transport winds.....West 3 to 10 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......18 decreasing to 14 late in the afternoon.
Visibility (SM).....10.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  69  73  76  78  63  69  69  84  68  93
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0
Temp............54  57  60  66  69  72  74  76  76  76  77
Dewpoint........51  51  50  53  52  51  50  51  51  50  51
RH..............89  79  70  62  54  48  43  41  41  40  40
Surface wnd dir.E   E   VRB VRB W   W   W   W   W   W   W
Surface wnd spd.2   1   2   3   4   5   6   7   8   8   8
Surface wnd gst.    4   5   7   8   10  12  12  12  13  12
Mix hgt (kft)...1.5 2.3 2.5 2.9 3.4 3.9 4.4 4.9 4.9 4.7 4.4
Transp wind dir.E   E   VRB VRB W   W   W   W   W   W   W
Transp wind spd.3   3   3   6   6   7   9   10  10  10  10
Ceiling (kft)...20  20  20  20  19  20  20  20  18  16  14
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10

.SUNDAY NIGHT...

Sky/weather.........Mostly cloudy. A slight chance of showers.
Chance of pcpn......20 percent.
Chance of lightning.2 percent.
Min temperature.....51-53.
Max humidity........85-95 percent.
Dewpoint............50.
Surface winds.......West winds 6 to 8 mph in the evening becoming
                    drainage in the late evening hours.
Mixing height.......1200 ft AGL.
Transport winds.....West 5 to 10 mph becoming light drainage overnight.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......11 decreasing to 8.9 late in the evening.
Visibility (SM).....10.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........93  93  97  97  97  85  85  85  73  73  73  42
Weather cov.....                                            SCH
Weather type....                                            RN
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   10  10  10  10  10  10  20
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............76  75  71  66  64  61  59  57  55  54  53  52
Dewpoint........49  50  49  50  51  50  50  50  50  50  50  50
RH..............39  41  46  56  63  67  72  77  82  87  91  92
Surface wnd dir.W   W   W   VRB E   E   E   E   E   E   E   E
Surface wnd spd.8   6   4   2   1   1   1   2   2   2   2   2
Surface wnd gst.12  12  9   9   3   3   3   4   5   5   5   5
Mix hgt (kft)...4.2 3.4 2.1 1.5 1.3 1.4 1.3 1.3 1.3 1.3 1.2 1.3
Transp wind dir.W   W   W   VRB E   E   E   E   E   E   E   E
Transp wind spd.10  10  7   7   7   6   5   5   3   3   3   3
Ceiling (kft)...14  14  14  13  11  10  9.5 9.1 8.9 8.9 9.0 9.3
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.MONDAY...

Sky/weather.........Partly cloudy then becoming mostly sunny.
                     A slight chance of showers.
Chance of pcpn......20 percent.
Chance of lightning.9 percent.
Max temperature.....77-79.
Min humidity........35-45 percent.
Dewpoint............52.
Surface winds.......Light winds becoming west 6 to 9 mph late in
                    the morning.
Mixing height.......6600 ft AGL.
Transport winds.....West 3 to 9 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......9.5 increasing to 25.
Visibility (SM).....10.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........42  42  28  28  28  35  35  35  28  28  28  22
Weather cov.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
Chc of pcpn (%).20  20  20  20  20  20  20  20  20  20  20  0
Chc of ltng (%).0   0   0   0   0   10  10  10  10  10  10  0
Temp............54  55  57  61  65  69  71  74  76  77  77  78
Dewpoint........51  52  51  53  53  54  53  53  54  53  52  52
RH..............91  87  81  74  65  58  53  49  46  43  41  41
Surface wnd dir.E   E   E   VRB VRB W   W   W   W   W   W   W
Surface wnd spd.2   1   1   3   4   5   6   7   8   8   8   9
Surface wnd gst.                    9   9   9   13  13  13  14
Mix hgt (kft)...1.5 1.9 2.5 3.4 4.3 5.2 5.6 5.9 6.1 6.4 6.6 6.3
Transp wind dir.E   E   E   VRB VRB W   W   W   W   W   W   W
Transp wind spd.3   3   3   5   5   6   7   7   8   8   8   9
Ceiling (kft)...9.5 9.9 10  11  11  11  11  11  11  11  11  25
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10


$$


Forecaster...Neuman
Requested by...Raymond Perrault
Type of request...HAZMAT
.TAG 2518271.0/PQR
.DELDT 07/19/25
.FormatterVersion 2.0.0
.EMAIL raymond.perrault@usda.gov